ValueNode_Bone::BoneSet
ValueNode_Bone::get_bones_affected_by(ValueNode::Handle value_node)
{
BoneSet ret;
set<const Node*> seen, current_nodes, new_nodes;
int generation = 0;
bool debug(false);
if (getenv("SYNFIG_DEBUG_SUITABLE_PARENTS"))
debug = true;
if (debug) printf("getting bones affected by %lx %s\n", uintptr_t(value_node.get()), value_node->get_string().c_str());
// initialise current_nodes with the node we're editing
current_nodes.insert(value_node.get());
do
{
generation++;
if (debug) printf("generation %d has %zd nodes\n", generation, current_nodes.size());
int count = 0;
// loop through current_nodes
for (set<const Node*>::iterator iter = current_nodes.begin(); iter != current_nodes.end(); iter++, count++)
{
// loop through the parents of each node in current_nodes
set<Node*> node_parents((*iter)->parent_set);
if (debug) printf("%s:%d node %d %lx (%s) has %zd parents\n",
__FILE__, __LINE__, count, uintptr_t(*iter), (*iter)->get_string().c_str(), node_parents.size());
int count2 = 0;
for (set<Node*>::iterator iter2 = node_parents.begin(); iter2 != node_parents.end(); iter2++, count2++)
{
Node* node(*iter2);
// if (debug) printf("%s:%d parent %d: %lx (%s)\n", __FILE__, __LINE__, count2, uintptr_t(node), node->get_string().c_str());
// for each parent we've not already seen
if (!seen.count(node))
{
// note that we've seen it now
seen.insert(node);
// add it to the list of new nodes to loop though in the next iteration
new_nodes.insert(node);
// and if it's a ValueNode_Bone, add it to the set to be returned
if (dynamic_cast<ValueNode_Bone*>(node))
ret.insert(dynamic_cast<ValueNode_Bone*>(node));
}
}
}
current_nodes = new_nodes;
new_nodes.clear();
} while (current_nodes.size());
if (debug) printf("%s:%d got %zd affected bones\n", __FILE__, __LINE__, ret.size());
return ret;
}
ValueNode_Bone::BoneSet
ValueNode_Bone::get_possible_parent_bones(ValueNode::Handle value_node)
{
BoneSet ret;
bool debug(false);
if (getenv("SYNFIG_DEBUG_SUITABLE_PARENTS"))
debug = true;
if (debug) printf("%s:%d which bones can be parents of %lx (%s)\n", __FILE__, __LINE__, uintptr_t(value_node.get()), value_node->get_string().c_str());
// which bones are we currently editing the parent of - it can be more than one due to linking
ValueNode_Bone::BoneSet affected_bones(ValueNode_Bone::get_bones_affected_by(value_node));
if (debug) printf("%s:%d got %zd affected bones\n", __FILE__, __LINE__, affected_bones.size());
Canvas::LooseHandle canvas(value_node->get_root_canvas());
if (debug) printf("%s:%d canvas %lx\n", __FILE__, __LINE__, uintptr_t(canvas.get()));
for (ValueNode_Bone::BoneSet::iterator iter = affected_bones.begin(); iter != affected_bones.end(); iter++)
{
if (!canvas)
{
canvas = (*iter)->get_root_canvas();
printf("%s:%d root canvas %lx\n", __FILE__, __LINE__, uintptr_t((*iter)->get_root_canvas().get()));
printf("%s:%d parent canvas %lx\n", __FILE__, __LINE__, uintptr_t((*iter)->get_parent_canvas().get()));
printf("%s:%d ancestor canvas %lx\n", __FILE__, __LINE__, uintptr_t((*iter)->get_non_inline_ancestor_canvas().get()));
}
if (canvas != (*iter)->get_root_canvas())
warning("%s:%d multiple root canvases in affected bones: %lx and %lx", __FILE__, __LINE__,
uintptr_t(canvas.get()), uintptr_t((*iter)->get_root_canvas().get()));
}
BoneMap bone_map(canvas_map[canvas]);
// loop through all the bones that exist
for (ValueNode_Bone::BoneMap::const_iterator iter=bone_map.begin(); iter!=bone_map.end(); iter++)
{
ValueNode_Bone::Handle bone_value_node(iter->second);
// if the bone would be affected by our editing, skip it - it would cause a loop if the user selected it
if (affected_bones.count(bone_value_node.get()))
continue;
// loop through the list of bones referenced by this bone's parent link;
// if any of them would be affected by editing the cell, don't offer this bone in the menu
{
ValueNode_Bone::BoneSet parents(ValueNode_Bone::get_bones_referenced_by(bone_value_node->get_link("parent")));
ValueNode_Bone::BoneSet::iterator iter;
for (iter = parents.begin(); iter != parents.end(); iter++)
if (affected_bones.count(iter->get()))
break;
if (iter == parents.end())
ret.insert(bone_value_node);
}
}
if (debug) printf("%s:%d returning %zd possible parents\n", __FILE__, __LINE__, ret.size());
return ret;
}
ValueNode_Bone::BoneSet
ValueNode_Bone::get_bones_referenced_by(ValueNode::Handle value_node, bool recursive)
{
// printf("%s:%d rec = %d\n", __FILE__, __LINE__,recursive);
BoneSet ret;
if (!value_node)
{
printf("%s:%d failed?\n", __FILE__, __LINE__);
assert(0);
return ret;
}
// if it's a ValueNode_Const
if (ValueNode_Const::Handle value_node_const = ValueNode_Const::Handle::cast_dynamic(value_node))
{
ValueBase value_node(value_node_const->get_value());
if (value_node.get_type() == type_bone_valuenode)
if (ValueNode_Bone::Handle bone = value_node.get(ValueNode_Bone::Handle()))
{
// do we want to check for bone references in other bone fields or just 'parent'?
if (recursive)
{
// printf("%s:%d rec\n", __FILE__, __LINE__);
ret = get_bones_referenced_by(bone, recursive);
// ret = get_bones_referenced_by(bone->get_link("parent"), recursive);
}
if (!bone->is_root())
ret.insert(bone);
}
return ret;
}
// if it's a ValueNode_Animated
if (ValueNode_Animated::Handle value_node_animated = ValueNode_Animated::Handle::cast_dynamic(value_node))
{
// ValueNode_Animated::Handle ret = ValueNode_Animated::create(type_bone_object);
ValueNode_Animated::WaypointList list(value_node_animated->waypoint_list());
for (ValueNode_Animated::WaypointList::iterator iter = list.begin(); iter != list.end(); iter++)
{
// printf("%s:%d getting bones from waypoint\n", __FILE__, __LINE__);
BoneSet ret2(get_bones_referenced_by(iter->get_value_node(), recursive));
ret.insert(ret2.begin(), ret2.end());
// printf("added %d bones from waypoint to get %d\n", int(ret2.size()), int(ret.size()));
}
// printf("returning %d bones\n", int(ret.size()));
return ret;
}
// if it's a LinkableValueNode
if (LinkableValueNode::Handle linkable_value_node = LinkableValueNode::Handle::cast_dynamic(value_node))
{
for (int i = 0; i < linkable_value_node->link_count(); i++)
{
BoneSet ret2(get_bones_referenced_by(linkable_value_node->get_link(i), recursive));
ret.insert(ret2.begin(), ret2.end());
}
return ret;
}
if (PlaceholderValueNode::Handle linkable_value_node = PlaceholderValueNode::Handle::cast_dynamic(value_node))
{
// todo: while loading we might be setting up an ancestry loop by ignoring the placeholder valuenode here
// can we check for loops in badly formatted .sifz files somehow?
if (getenv("SYNFIG_DEBUG_PLACEHOLDER_VALUENODE"))
printf("%s:%d found a placeholder - skipping loop check\n", __FILE__, __LINE__);
return ret;
}
error("%s:%d BUG: bad type in valuenode '%s'", __FILE__, __LINE__, value_node->get_string().c_str());
assert(0);
return ret;
}
